87872086 has 16 divisors (see below), whose sum is σ = 134397648. Its totient is φ = 43077600.

The previous prime is 87872069. The next prime is 87872087. The reversal of 87872086 is 68027878.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87872087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44541 + ... + 46471.

It is an arithmetic number, because the mean of its divisors is an integer number (8399853).

Almost surely, 2^87872086 is an apocalyptic number.

87872086 is a deficient number, since it is larger than the sum of its proper divisors (46525562).

87872086 is a wasteful number, since it uses less digits than its factorization.

87872086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2367.

The product of its (nonzero) digits is 301056, while the sum is 46.

The square root of 87872086 is about 9374.0112011881. The cubic root of 87872086 is about 444.5803998284.

The spelling of 87872086 in words is "eighty-seven million, eight hundred seventy-two thousand, eighty-six".